(a) Any employee who was in service on October 1, 1974, whose membership in the Employees' Retirement System of Alabama was contingent upon his own election and who elected not to become a member, may apply for and be admitted to membership with all prior service credit, as otherwise provided for in Article 1 of this chapter, at any time prior to October 1, 1976; provided, that said employee pays to the Secretary-Treasurer of the Employees' Retirement System of Alabama on or before October 1, 1976, a sum equal to the total contributions which he would have made as a member during his service as an employee from October 1, 1945, or the date of entry of his employing unit, to the date of his application for membership, plus compound interest of eight percent on such contributions.

(b) Any member in service on October 1, 1974, or any retired member of the Employees' Retirement System of Alabama, who at one time worked as a nonmember may receive credit for prior service and for the years worked as a nonmember; provided, that said member or retired member pays to the Secretary-Treasurer of the Employees' Retirement System of Alabama, on or before October 1, 1976, a sum equal to the total contributions which he would have made as a member during the period of his employment from October 1, 1945, or the date of entry of his employing unit, to the date he became a member, plus compound interest of eight percent on such contribution.

(c) Any member in service on October 1, 1974, or retired member, who is precluded from restoring creditable service because his account was terminated due to five years' absence or because he withdrew his funds and after again becoming a member of the Employees' Retirement System of Alabama failed to repay such withdrawn contributions plus interest within eight months after having completed five years of contributing membership service, may now receive credit for such terminated or withdrawn creditable service; provided, that he pays to the Secretary-Treasurer of the Employees' Retirement System of Alabama, on or before October 1, 1976, a sum equal to the total contributions which he has withdrawn plus compound interest of eight percent on such contributions from the date of withdrawal.

(d) Any member in service on October 1, 1974, or retired member, who is precluded from receiving credit for military service because he failed to purchase same within the period prescribed by Article 1 of this chapter, may now receive credit for such military service as is consistent with such article; provided, that he pays to the Secretary-Treasurer of the Employees' Retirement System of Alabama, on or before October 1, 1976, a sum equal to the contribution which he is required to make for the period of military service pursuant to such article, plus compound interest of eight percent on such contributions from the date of entry into military service.